9. Mercedes-Benz W123
The Mercedes-Benz W123, especially in its diesel-powered forms, has achieved near-mythical status for reliability.
With tales of taxis in Africa and Europe surpassing 1,000,000 kilometers (over 620,000 miles), the W123’s reputation is built on rugged engineering and mechanical simplicity.
Owners praise its ease of repair and robust components, which have made it a global workhorse for decades.
It’s a classic example of how thoughtful design can create a true high-mileage hero.
Explore the million-mile W123